<template>
  <el-form size="large" class="login-content-form" :model="state.ruleForm">
    <el-form-item
        class="login-animation1"
        prop="email"
        :rules="[
          { required: true, message: '请输入邮箱地址', trigger: 'blur' },
          { type: 'email', message: '请输入正确的邮箱地址', trigger: ['blur', 'change'] } ]" >
      <el-input text placeholder="请输入邮箱" v-model="state.ruleForm.email" clearable autocomplete="off">
        <template #prefix>
          <i class="iconfont icon-dianhua el-input__icon"></i>
        </template>
      </el-input>
    </el-form-item>

    <el-form-item class="login-animation2">
      <el-col :span="15">
        <el-input
            text maxlength="4" placeholder="请输入验证码"
            v-model="state.ruleForm.code"
            @keyup.enter="onSignIn"
            clearable
            autocomplete="off">
          <template #prefix>
            <el-icon class="el-input__icon">
              <ele-Position/>
            </el-icon>
          </template>
        </el-input>
      </el-col>
      <el-col :span="1"></el-col>
      <el-col :span="8">
        <el-button v-waves class="login-content-code" @click="get_email_code" :disabled="isCountDownDisabled">{{
            countDownText
          }}</el-button>
      </el-col>
    </el-form-item>
    <el-form-item class="login-animation3">
      <el-button type=""
                 class="login-content-submit" round v-waves
                 style="background-color: #1e1e1e; color: #fff"
                 @click="onSignIn"
                 :loading="state.loading.signIn">
        <span style="font-size: 1.2rem; font-weight: bolder">登 录</span>
      </el-button>
    </el-form-item>
  </el-form>
</template>

<script setup name="loginEmail">
import {computed, reactive, ref} from 'vue';
import {countDown, formatAxis} from '/@/utils/formatTime.js';
import {ElMessage} from "element-plus";
import {useUserApi} from "/@/api/useSystemApi/user";
import {Session} from "/@/utils/storage";
import {useUserInfo} from "/@/stores/userInfo";
import {initBackEndControlRoutes} from "/@/router/backEnd";
import {NextLoading} from "/@/utils/loading";
import {useThemeConfig} from "/@/stores/themeConfig";
import {storeToRefs} from "pinia/dist/pinia";
import {useRoute, useRouter} from "vue-router/dist/vue-router";
const { countDownFunction, isCountDownDisabled, countDownText } = countDown();

// 定义变量内容
const storesThemeConfig = useThemeConfig();
const {themeConfig} = storeToRefs(storesThemeConfig);
const route = useRoute();
const router = useRouter();
const state = reactive({
  email_code: '',
  ruleForm: {
    email: '',
    code: '',
  },
  loading: {
    signIn: false,
  },
});

// 时间获取
const currentTime = computed(() => {
  return formatAxis(new Date());
});

// TODO: 验证码应该设置过期
// 获取邮箱验证码
const get_email_code = async () => {
  if (state.ruleForm.email.toLowerCase() === '') {
    ElMessage.error('请重新输入邮箱');
    return
  }
  // 触发按钮倒计时
  countDownFunction(120);
  useUserApi().getCode({email: state.ruleForm.email})
      .then(async res => {
        state.email_code = res.data;
      })
      .catch((e) => {
        console.log('错误信息： ', e)
      })
};

const onSignIn = async () => {
  state.loading.signIn = true;
  console.log(state.ruleForm.code)
  console.log(state.email_code)
  if (state.ruleForm.code !== state.email_code) {
    ElMessage.error('验证码错误，请重新输入');
    state.ruleForm.code = ''; // 清空输入框
    state.loading.signIn = false;
    return
  }

  useUserApi().signIn({email: state.ruleForm.email})
      .then(async res => {
        // 存储token
        Session.set('token', res.data.token);

        // 存储用户信息
        await useUserInfo().setUserInfos();

        // 后端获取菜单数据
        await initBackEndControlRoutes();
        // 前端获取菜单数据
        // await initFrontEndControlRoutes();
        signInSuccess(false);
      })
      .catch((e) => {
        console.log('错误信息： ', e)
        state.loading.signIn = false;
      })
};

// 登录成功后的跳转
const signInSuccess = (isNoPower) => {
  if (isNoPower) {
    ElMessage.warning('抱歉，您没有登录权限');
    Session.clear();
  } else {
    // 初始化登录成功时间问候语
    let currentTimeInfo = currentTime.value;
    // 登录成功，跳到转首页
    // 如果是复制粘贴的路径，非首页/登录页，那么登录成功后重定向到对应的路径中
    if (route.query?.redirect) {
      router.push({
        path: route.query?.redirect,
        query: Object.keys(route.query?.params).length > 0 ? JSON.parse(route.query?.params) : '',
      });
    } else {
      router.push('/home');
    }
    // 登录成功提示
    const signInText = '欢迎回来！';
    ElMessage.success(`${currentTimeInfo}，${signInText}`);
    // 添加 loading，防止第一次进入界面时出现短暂空白
    NextLoading.start();
  }
  state.loading.signIn = false;
};
</script>

<style scoped lang="scss">
.login-content-form {
  margin-top: 20px;
  @for $i from 1 through 4 {
    .login-animation#{$i} {
      opacity: 0;
      animation-name: error-num;
      animation-duration: 0.5s;
      animation-fill-mode: forwards;
      animation-delay: calc(#{$i}/10) + s;
    }
  }

  .login-content-code {
    width: 100%;
    padding: 0;
  }

  .login-content-submit {
    width: 100%;
    letter-spacing: 2px;
    font-weight: 300;
    margin-top: 15px;
  }

  .login-msg {
    color: var(--el-text-color-placeholder);
  }
}
</style>
